Home / 42,889.42-64,342.74-14,810.51

Finding the Fourth Proportional to 42,889.42, 64,342.74 and 14,810.51

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Solution

The fourth proportional to 42,889.42, 64,342.74 and 14,810.51 is: 22,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,889.42 : 64,342.74 = 14,810.51 : x
  2. Step 2: Convert to fraction form
    42,889.42/64,342.74 = 14,810.51/x
  3. Step 3: Cross multiply
    42,889.42x = 64,342.74 × 14,810.51
  4. Step 4: Simplify right side
    42,889.42x = 952,948,624.60
  5. Step 5: Solve for x
    x = 952,948,624.60/42,889.42
  6. Step 6: Final answer
    x = 22,218.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.